1210117400101 has 4 divisors (see below), whose sum is σ = 1273807789600. Its totient is φ = 1146427010604.

The previous prime is 1210117400087. The next prime is 1210117400113. The reversal of 1210117400101 is 1010047110121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1210117400101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 63690389479 = 1210117400101 / (1 + 2 + 1 + 0 + 1 + 1 + 7 + 4 + 0 + 0 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210117400801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31845194721 + ... + 31845194758.

It is an arithmetic number, because the mean of its divisors is an integer number (318451947400).

Almost surely, 2^{1210117400101} is an apocalyptic number.

It is an amenable number.

1210117400101 is a deficient number, since it is larger than the sum of its proper divisors (63690389499).

1210117400101 is an equidigital number, since it uses as much as digits as its factorization.

1210117400101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63690389498.

The product of its (nonzero) digits is 56, while the sum is 19.

The spelling of 1210117400101 in words is "one trillion, two hundred ten billion, one hundred seventeen million, four hundred thousand, one hundred one".